Home / 11,665.94-16,098.21-6,885.63

Finding the Fourth Proportional to 11,665.94, 16,098.21 and 6,885.63

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Solution

The fourth proportional to 11,665.94, 16,098.21 and 6,885.63 is: 9,501.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,665.94 : 16,098.21 = 6,885.63 : x
  2. Step 2: Convert to fraction form
    11,665.94/16,098.21 = 6,885.63/x
  3. Step 3: Cross multiply
    11,665.94x = 16,098.21 × 6,885.63
  4. Step 4: Simplify right side
    11,665.94x = 110,846,317.72
  5. Step 5: Solve for x
    x = 110,846,317.72/11,665.94
  6. Step 6: Final answer
    x = 9,501.71

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.